21026412

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^2\times {\mathrm{1609}}^1$

素因数の和:1644

約数の個数: 72

約数和(自身を含む): 59956400

約数和(自身を除く): 38929988

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 121, 132, 198, 242, 297, 363, 396, 484, 594, 726, 1089, 1188, 1452, 1609, 2178, 3218, 3267, 4356, 4827, 6436, 6534, 9654, 13068, 14481, 17699, 19308, 28962, 35398, 43443, 53097, 57924, 70796, 86886, 106194, 159291, 173772, 194689, 212388, 318582, 389378, 477873, 584067, 637164, 778756, 955746, 1168134, 1752201, 1911492, 2336268, 3504402, 5256603, 7008804, 10513206, 21026412]

約数ペア:

[(1, 21026412), (2, 10513206), (3, 7008804), (4, 5256603), (6, 3504402), (9, 2336268), (11, 1911492), (12, 1752201), (18, 1168134), (22, 955746), (27, 778756), (33, 637164), (36, 584067), (44, 477873), (54, 389378), (66, 318582), (99, 212388), (108, 194689), (121, 173772), (132, 159291), (198, 106194), (242, 86886), (297, 70796), (363, 57924), (396, 53097), (484, 43443), (594, 35398), (726, 28962), (1089, 19308), (1188, 17699), (1452, 14481), (1609, 13068), (2178, 9654), (3218, 6534), (3267, 6436), (4356, 4827)]